2155550933327 has 4 divisors (see below), whose sum is σ = 2351510109096. Its totient is φ = 1959591757560.

The previous prime is 2155550933323. The next prime is 2155550933329. The reversal of 2155550933327 is 7233390555512.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2155550933327 - 2² = 2155550933323 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155550933323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97979587868 + ... + 97979587889.

It is an arithmetic number, because the mean of its divisors is an integer number (587877527274).

Almost surely, 2^{2155550933327} is an apocalyptic number.

2155550933327 is a deficient number, since it is larger than the sum of its proper divisors (195959175769).

2155550933327 is a wasteful number, since it uses less digits than its factorization.

2155550933327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195959175768.

The product of its (nonzero) digits is 4252500, while the sum is 50.

The spelling of 2155550933327 in words is "two trillion, one hundred fifty-five billion, five hundred fifty million, nine hundred thirty-three thousand, three hundred twenty-seven".